Monday, September 29, 2008

TEST PAPER 1 - UNIT 1 - 25 MARKS

There are 14 questions in all and time limit is 45 minutes.

SECTION - A : CHOOSE APPROPRIATE ALTERNATIVE : [1 mark each, Total marks 4]



  1. 1 nanometer = ______ cm.

    1. 10-9
    2. 10-8
    3. 10-7
    4. 10-6

  2. The most important property of nanomaterials is ______.

    1. force
    2. friction
    3. pressure
    4. ductility

  3. For a plane mirror, magnification (m) = ______.

    1. 0
    2. 1
    3. +1 or -1
    4. < 1

  4. Blue + Green (light) = ______.

    1. Magenta
    2. Cyan
    3. Yellow
    4. Violet

    SECTION - B : ANSWER IN SHORT : [1 mark each, Total marks 4]


  5. Define : Nanotechnology.
  6. Define : Principal focus of convex lens.
  7. Why does a green leaf appear green ?
  8. Mention the principle of simple microscope.

    SECTION - C : ANSWER IN BRIEF : [2 marks each, Total marks 6]


  9. Explain the use of nanotechnology in diagnostics.
  10. Explain : Regular reflection.
  11. Explain : Near-sightedness(no diagram).

    SECTION - D : ANSWER THE FOLLOWING : [3 marks each, Total marks 6]


  12. Describe the concept of nanotubes.
  13. Describe subtractive method of mixing of pigments.

    SECTION - E : ANSWER IN DETAIL : [5 marks each, Total marks 5]


  14. Derive mirror formula.

6 comments:

Unknown said...

This test papers are very helpful to me.
THANKYOU

jaimin said...

these papers are helpful indeed but is there any collection of many MCQs together ???????

jaimin said...

are there papers of other subjects ????????

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jariwala said...

good work sir
if any paper plz send

Anil shahu said...

hello sir can you please send me blank OMR sheet's soft copy for home practice at anil.cool17@yahoo.co.in


thaks..